REVISION MOMENTUM. the product of an object's mass and its velocity a vector quantity with the same direction as the velocity of the object. MOMENTUM.

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Presentation transcript:

REVISION MOMENTUM

the product of an object's mass and its velocity a vector quantity with the same direction as the velocity of the object. MOMENTUM LINEAR MOMENTUM

VECTOR DIAGRAMS

NEWTON'S SECOND LAW The resultant/net force acting on an object is equal to the rate of change of momentum of the object in the direction of the resultant/net force.

IMPULSE the product of the resultant/net force acting on an object and the time the resultant/net force acts on the object IMPULSE-MOMENTUM THEOREM

PRINCIPLE OF CONSERVATION OF LINEAR MOMENTUM The total linear momentum of a closed system remains constant (is conserved)

system excluding external forces that originate outside the colliding bodies, e.g. friction Kinetic energy is conserved Kinetic energy is NOT conserved CLOSED SYSTEM ELASTIC COLLISIONS INELASTIC COLLISIONS